About Varistors

Varistors

A varistor (also known as a voltage-dependent resistor, or VDR) is a resistor whose resistance changes as the voltage across it increases or decreases. Varistors are typically constructed from a ceramic material containing semiconductor materials such as silicon and germanium. They have a relatively large resistance at low voltage levels, but as the voltage increases, their resistance drops significantly, allowing more current to flow through them. This feature makes them useful for absorbing transient voltages, which are sudden increases in the voltage that can occur when a device is powered on or off. Varistors are also commonly used to provide overvoltage protection, where they absorb and dissipate excessive voltages before they reach sensitive electronic components.

Varistors

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(Ex. GST)(▲▼)		Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
V33MA1A


Varistors 20V 40A 300pF
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 1172
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USD 0.3857
Multiples of: 1

Mov23 V18 V73 V3 mm40 A0.13 J300 pF- 55 C to + 85 CAxialBulk Ma  - 55 C+ 85 C 
B72214S2131K101


Varistors Varistor S14K130E2
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TDK Availability : 1171
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USD 0.2104
Multiples of: 1

MOV170 VDC130 VAC340 V14 mm6 kA50 J650 pF RadialBulk B722xxS2PCB Mount205 V- 40 C+ 105 C 
V180ZA20P


Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE
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Littelfuse Availability : 1171
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USD 0.4628
Multiples of: 1

MOV153 VDC125 VAC300 V20 mm6.5 kA52 J2400 pF RadialBulk ZAPCB Mount198 V- 55 C+ 85 C 
VDRUS14X275BSE


Varistors 275V 8000A 14D Radial
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Vishay Availability : 1169
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USD 0.6969
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Mov350 VDC275 VAC710 V16.5 mm8 kA185 J440 pF RadialBulk VdrusPcb Mount430 V- 40 C+ 125 C 
561KD20-P10


Varistors 460V 925V 6.5KA Through Hole RoHS
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Yageo Availability : 1168
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USD 0.137
Multiples of: 5

   925 V              
ERZ-VA7V271


Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 1168
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USD 0.1441
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TMOV14RP385M


Varistors THERMALLY PROTECTED VARISTOR 14MM
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Littelfuse Availability : 1168
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USD 1.3084
Multiples of: 1

Mov 385 VAC1.025 kV14 mm6 kA 360 pF RadialBulk Itmov  - 55 C+ 85 C 
V130LS20AP


Varistors 130V 1900pF
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Littelfuse Availability : 1167
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USD 0.4393
Multiples of: 1

MOV175 VDC130 VAC340 V20 mm6.5 kA70 J1900 pF RadialReel , Cut Tape LAPCB Mount225.5 V- 55 C+ 85 C 
B72220S1170K102


EPCOS TDK Varistors Varistor S20K17AUTO
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TDK Availability : 1167
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USD 1.1235
Multiples of: 1

Mov20 VDC17 VAC 7 mm2 kA14 J15.6 nF- 40 C to + 85 CRadialBulk Siov 27 VDC- 40 C+ 105 CAec - Q200
20D511K


Varistors 415V 845V 6.5KA Plugin RoHS
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Ruilongyuan Availability : 1165
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USD 0.1635
Multiples of: 5

   845 V              
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